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Headphoneus Supremus
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- Jan 26, 2004
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The RCA outs are a Line Level output (Approximately 2 Volts P-P) that are designed to drive a Higher Input Impedance Line Level Input (Usually 10,000 to 100,000 Ohms). Whereas the Headphone Jack Output is designed to drive a Headphone type load that typically varies from 16 to 600 Ohms. Also the input Impedance of an amp typically doesn't change much across the audio band, but the Impedance presented by most Headphones does tend to vary over the audio bandwidth.
So it's no surprise that the two outputs perform differently with different loads. They are designed for a specific use, if you use them outside of their intended application they won't perform optimally.
So it's no surprise that the two outputs perform differently with different loads. They are designed for a specific use, if you use them outside of their intended application they won't perform optimally.